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Stop Mongoose from creating _id property for sub-document array items
If you have subdocument arrays, Mongoose automatically creates ids for each one. Example:
6 Answers
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How do I check which version of NumPy I'm using?
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well, this works for most well-written python packages.
– fast tooth
Oct 23 '14 at 3:02
1
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'is' versus try cast with null check
...eds to be cast a second time
// before using it as a MyType
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}
to this:
var myObjRef = myObj.myProp as MyType; // only one cast
if (myObjRef != null)
{
// myObjRef is already MyType and doesn't need to be cast again
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}
C# 7.0 supports...
import module from string variable
I'm working on a documentation (personal) for nested matplotlib (MPL) library, which differs from MPL own provided, by interested submodule packages. I'm writing Python script which I hope will automate document generation from future MPL releases.
I selected interested submodules/packages and wan...
Commenting in a Bash script inside a multiline command
...r question:
echo abc `#Put your comment here` \
def `#Another chance for a comment` \
xyz, etc.
And for pipelines specifically, there is a clean solution with no overhead:
echo abc | # Normal comment OK here
tr a-z A-Z | # Another normal comment OK here
sort | # ...
What is uint_fast32_t and why should it be used instead of the regular int and uint32_t?
So the reason for typedef :ed primitive data types is to abstract the low-level representation and make it easier to comprehend ( uint64_t instead of long long type, which is 8 bytes).
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String concatenation vs. string substitution in Python
...itution eludes me. As the string concatenation has seen large boosts in performance, is this (becoming more) a stylistic decision rather than a practical one?
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How to change a module variable from another module?
... change that.
This is one of the dangers of using the from foo import bar form of the import statement: it splits bar into two symbols, one visible globally from within foo which starts off pointing to the original value and a different symbol visible in the scope where the import statement is exec...
Python integer division yields float
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@JonathanSternberg except for all the code that was written for python 2.0. I feel like the role of / and // should be reversed to keep backwards compatibility. Also, in pretty much every other language / preserves type. i would make more sense the...
What is the difference between _tmain() and main() in C++?
...h, if Unicode is enabled, is compiled as wmain, and otherwise as main.
As for the second part of your question, the first part of the puzzle is that your main function is wrong. wmain should take a wchar_t argument, not char. Since the compiler doesn't enforce this for the main function, you get a ...